FORD TRUCK SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. IN THE CASE OF THE ROUSHCHARGER FOR THE F-150, THE TRUCKS CALIBRATION ENHANCEMENTS HAS BEEN DEVELOPED TO BETTER ACCOMMODATE REGIONAL VARIATIONS IN PREMIUM FUEL QUALITY. EVEN THOUGH NOT ALL F-150 ROUSHCHARGED TRUCKS WILL BE AFFECTED BY THESE VARIATIONS. CSC LETTER WAS REC'D. *PE UPDATED 4/12/10. *PE
